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35 lines
932 B
C++
35 lines
932 B
C++
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/process/process_info.h"
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#include <stddef.h>
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <memory>
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#include "base/macros.h"
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#include "base/memory/free_deleter.h"
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#include "base/time/time.h"
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namespace base {
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// static
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const Time CurrentProcessInfo::CreationTime() {
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int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid() };
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size_t len = 0;
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if (sysctl(mib, arraysize(mib), NULL, &len, NULL, 0) < 0)
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return Time();
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std::unique_ptr<struct kinfo_proc, base::FreeDeleter> proc(
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static_cast<struct kinfo_proc*>(malloc(len)));
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if (sysctl(mib, arraysize(mib), proc.get(), &len, NULL, 0) < 0)
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return Time();
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return Time::FromTimeVal(proc->kp_proc.p_un.__p_starttime);
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}
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} // namespace base
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